* DAC control
****************************************************************/
-void
-stdvga_save_dac_state(u16 seg, struct saveDACcolors *info)
-{
- /* XXX: check this */
- SET_FARVAR(seg, info->rwmode, inb(VGAREG_DAC_STATE));
- SET_FARVAR(seg, info->peladdr, inb(VGAREG_DAC_WRITE_ADDRESS));
- SET_FARVAR(seg, info->pelmask, stdvga_pelmask_read());
- stdvga_dac_read(seg, info->dac, 0, 256);
- SET_FARVAR(seg, info->color_select, 0);
-}
-
-void
-stdvga_restore_dac_state(u16 seg, struct saveDACcolors *info)
-{
- stdvga_pelmask_write(GET_FARVAR(seg, info->pelmask));
- stdvga_dac_write(seg, info->dac, 0, 256);
- outb(GET_FARVAR(seg, info->peladdr), VGAREG_DAC_WRITE_ADDRESS);
-}
-
void
stdvga_perform_gray_scale_summing(u16 start, u16 count)
{
* Save/Restore state
****************************************************************/
-void
-stdvga_save_state(u16 seg, struct saveVideoHardware *info)
+struct saveVideoHardware {
+ u8 sequ_index;
+ u8 crtc_index;
+ u8 grdc_index;
+ u8 actl_index;
+ u8 feature;
+ u8 sequ_regs[4];
+ u8 sequ0;
+ u8 crtc_regs[25];
+ u8 actl_regs[20];
+ u8 grdc_regs[9];
+ u16 crtc_addr;
+ u8 plane_latch[4];
+};
+
+static void
+stdvga_save_hw_state(u16 seg, struct saveVideoHardware *info)
{
u16 crtc_addr = stdvga_get_crtc();
SET_FARVAR(seg, info->sequ_index, inb(VGAREG_SEQU_ADDRESS));
SET_FARVAR(seg, info->plane_latch[i], 0);
}
-void
-stdvga_restore_state(u16 seg, struct saveVideoHardware *info)
+static void
+stdvga_restore_hw_state(u16 seg, struct saveVideoHardware *info)
{
int i;
for (i=0; i<4; i++)
outb(GET_FARVAR(seg, info->feature), crtc_addr - 0x4 + 0xa);
}
+struct saveDACcolors {
+ u8 rwmode;
+ u8 peladdr;
+ u8 pelmask;
+ u8 dac[768];
+ u8 color_select;
+};
+
+static void
+stdvga_save_dac_state(u16 seg, struct saveDACcolors *info)
+{
+ /* XXX: check this */
+ SET_FARVAR(seg, info->rwmode, inb(VGAREG_DAC_STATE));
+ SET_FARVAR(seg, info->peladdr, inb(VGAREG_DAC_WRITE_ADDRESS));
+ SET_FARVAR(seg, info->pelmask, stdvga_pelmask_read());
+ stdvga_dac_read(seg, info->dac, 0, 256);
+ SET_FARVAR(seg, info->color_select, 0);
+}
+
+static void
+stdvga_restore_dac_state(u16 seg, struct saveDACcolors *info)
+{
+ stdvga_pelmask_write(GET_FARVAR(seg, info->pelmask));
+ stdvga_dac_write(seg, info->dac, 0, 256);
+ outb(GET_FARVAR(seg, info->peladdr), VGAREG_DAC_WRITE_ADDRESS);
+}
+
+int
+stdvga_size_state(int states)
+{
+ int size = 0;
+ if (states & 1)
+ size += sizeof(struct saveVideoHardware);
+ if (states & 2)
+ size += sizeof(struct saveBDAstate);
+ if (states & 4)
+ size += sizeof(struct saveDACcolors);
+ return size;
+}
+
+int
+stdvga_save_state(u16 seg, void *data, int states)
+{
+ if (states & 1) {
+ stdvga_save_hw_state(seg, data);
+ data += sizeof(struct saveVideoHardware);
+ }
+ if (states & 2) {
+ save_bda_state(seg, data);
+ data += sizeof(struct saveBDAstate);
+ }
+ if (states & 4)
+ stdvga_save_dac_state(seg, data);
+ return 0;
+}
+
+int
+stdvga_restore_state(u16 seg, void *data, int states)
+{
+ if (states & 1) {
+ stdvga_restore_hw_state(seg, data);
+ data += sizeof(struct saveVideoHardware);
+ }
+ if (states & 2) {
+ restore_bda_state(seg, data);
+ data += sizeof(struct saveBDAstate);
+ }
+ if (states & 4)
+ stdvga_restore_dac_state(seg, data);
+ return 0;
+}
+
/****************************************************************
* Misc